[iOS] Fix RadioButton BackgroundColor bleeding outside CornerRadius by SyedAbdulAzeemSF4852 · Pull Request #34844 · dotnet/maui

SyedAbdulAzeemSF4852 · 2026-04-07T10:43:53Z

Note

Are you waiting for the changes in this PR to be merged?
It would be very helpful if you could test the resulting artifacts from this PR and let us know in a comment if this change resolves your issue. Thank you!

Issue Details

On iOS, when a RadioButton has a BackgroundColor and CornerRadius set, the background color extends beyond the rounded corners as a full rectangle.

Root Cause

On iOS, the RadioButton's BackgroundColor is applied by ViewHandler.MapBackground directly to the outer handler platform view (ContentView/UIView), which has no corner radius or clipping. The rounded corners and border stroke are rendered by a separate inner Border element inside the ControlTemplate, so the background color paints as a full rectangle behind the rounded border, visibly bleeding outside the corners.

Description of Change

Updated the RadioButton control template to bind the Border.BackgroundColorProperty to the RadioButton.BackgroundColor, ensuring the background is rendered inside the clipped border area (RadioButton.cs).
Removed the background color binding from the ContentPresenter, preventing it from affecting the outer area (RadioButton.cs).
On iOS and MacCatalyst, suppressed the default handler's MapBackground method to prevent the platform view's background from bleeding outside the border (RadioButtonHandler.iOS.cs).
Declared the new MapBackground method in the public API files for iOS and MacCatalyst (PublicAPI.Unshipped.txt).

Issues Fixed

Fixes #34842

Validated the behaviour in the following platforms

Windows
Android
iOS
Mac

Output

Before	After

github-actions · 2026-04-07T10:44:03Z

🚀 Dogfood this PR with:

⚠️ WARNING: Do not do this without first carefully reviewing the code of this PR to satisfy yourself it is safe.

curl -fsSL https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.sh | bash -s -- 34844

Or

Run remotely in PowerShell:

iex "& { $(irm https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.ps1) } 34844"

dotnet-policy-service · 2026-04-07T10:44:19Z

Hey there @@SyedAbdulAzeemSF4852! Thank you so much for your PR! Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

Copilot

Pull request overview

Fixes iOS/MacCatalyst RadioButton background rendering so BackgroundColor respects CornerRadius and doesn’t “bleed” outside rounded corners by moving background rendering into the templated Border and suppressing handler background mapping on iOS/MacCatalyst. Adds a regression UI test and platform baselines.

Changes:

Updated the default RadioButton ControlTemplate to apply BackgroundColor to the Border and removed background binding from the ContentPresenter.
Overrode RadioButtonHandler.MapBackground on iOS/MacCatalyst as a no-op to prevent the outer platform view background from painting outside rounded corners; updated handler mapper conditionals.
Added Issue #34842 HostApp page + UI test + Android/iOS snapshot baselines; updated iOS/MacCatalyst PublicAPI unshipped files.

Reviewed changes

Copilot reviewed 7 out of 10 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/Core/src/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt	Declares new `RadioButtonHandler.MapBackground` API for MacCatalyst.
src/Core/src/PublicAPI/net-ios/PublicAPI.Unshipped.txt	Declares new `RadioButtonHandler.MapBackground` API for iOS.
src/Core/src/Handlers/RadioButton/RadioButtonHandler.iOS.cs	Adds iOS/MacCatalyst no-op `MapBackground` to suppress platform background painting.
src/Core/src/Handlers/RadioButton/RadioButtonHandler.cs	Changes mapper to map `Background` for all non-Tizen targets.
src/Controls/src/Core/RadioButton/RadioButton.cs	Binds template `Border.BackgroundColor` to `RadioButton.BackgroundColor`; removes `ContentPresenter` background binding.
src/Controls/src/Core/RadioButton/RadioButton.iOS.cs	Minor formatting/bracing change.
src/Controls/tests/TestCases.HostApp/Issues/Issue34842.cs	New HostApp repro page for the issue.
src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue34842.cs	New UI test verifying clipped background with rounded corners.
src/Controls/tests/TestCases.iOS.Tests/snapshots/ios/RadioButtonBackgroundColorClippedToCornerRadius.png	iOS baseline for new UI screenshot test.
src/Controls/tests/TestCases.Android.Tests/snapshots/android/RadioButtonBackgroundColorClippedToCornerRadius.png	Android baseline for new UI screenshot test.

sheiksyedm · 2026-04-08T05:25:51Z

/azp run maui-pr-uitests , maui-pr-devicetests

azure-pipelines · 2026-04-08T05:26:09Z

Azure Pipelines successfully started running 2 pipeline(s).

MauiBot · 2026-04-16T19:05:48Z

🚦 Gate — Test Before and After Fix

👋 @SyedAbdulAzeemSF4852 — new gate results are available. Please review the latest session below.

🚦 Gate Session — fdd8051 · Update RadioButton template to bind Border.Background for brush support and add baseline snapshots · 2026-04-16 19:05 UTC

Gate Result: ✅ PASSED

Platform: IOS · Base: main · Merge base: eb0b82fe

Test	Without Fix (expect FAIL)	With Fix (expect PASS)
🖥️ Issue34842 `Issue34842`	✅ FAIL — 213s	✅ PASS — 96s

🔴 Without fix — 🖥️ Issue34842: FAIL ✅ · 213s

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/Users/cloudtest/vss/_work/1/s/.dotnet/packs/Microsoft.iOS.Sdk.net10.0_26.0/26.0.11017/targets/Xamarin.Shared.Sdk.targets(309,3): warning : RuntimeIdentifier was set on the command line, and will override the value for RuntimeIdentifiers set in the project file. [/Users/cloudtest/vss/_work/1/s/src/Controls/tests/TestCases.HostApp/Controls.TestCases.HostApp.csproj::TargetFramework=net10.0-ios]
  ##vso[build.updatebuildnumber]10.0.70-ci+azdo.13859302
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  Detected signing identity:
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    App Id: com.microsoft.maui.uitests
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  Optimizing assemblies for size may change the behavior of the app. Be sure to test after publishing. See: https://aka.ms/dotnet-illink
  Optimizing assemblies for size. This process might take a while.

Build succeeded.

/Users/cloudtest/vss/_work/1/s/.dotnet/packs/Microsoft.iOS.Sdk.net10.0_26.0/26.0.11017/targets/Xamarin.Shared.Sdk.targets(309,3): warning : RuntimeIdentifier was set on the command line, and will override the value for RuntimeIdentifiers set in the project file. [/Users/cloudtest/vss/_work/1/s/src/Controls/tests/TestCases.HostApp/Controls.TestCases.HostApp.csproj::TargetFramework=net10.0-ios]
    1 Warning(s)
    0 Error(s)

Time Elapsed 00:01:38.88
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Test run for /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll (.NETCoreApp,Version=v10.0)
VSTest version 18.0.1 (arm64)

Starting test execution, please wait...
A total of 1 test files matched the specified pattern.
/Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll
[xUnit.net 00:00:00.00] xUnit.net VSTest Adapter v2.8.2+699d445a1a (64-bit .NET 10.0.0)
[xUnit.net 00:00:00.05]   Discovering: Controls.TestCases.iOS.Tests
[xUnit.net 00:00:00.14]   Discovered:  Controls.TestCases.iOS.Tests
NUnit Adapter 4.5.0.0: Test execution started
Running selected tests in /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll
   NUnit3TestExecutor discovered 1 of 1 NUnit test cases using Current Discovery mode, Non-Explicit run
>>>>> 4/16/2026 12:03:57 PM FixtureSetup for Issue34842(iOS)
>>>>> 4/16/2026 12:04:01 PM RadioButtonBackgroundColorClippedToCornerRadius Start
>>>>> 4/16/2026 12:04:03 PM RadioButtonBackgroundColorClippedToCornerRadius Stop
>>>>> 4/16/2026 12:04:03 PM Log types: syslog, crashlog, performance, safariConsole, safariNetwork, server
  Failed RadioButtonBackgroundColorClippedToCornerRadius [1 s]
  Error Message:
   VisualTestUtils.VisualTestFailedException : 
Snapshot different than baseline: RadioButtonBackgroundColorClippedToCornerRadius.png (0.67% difference)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.

More info: https://aka.ms/visual-test-workflow

  Stack Trace:
     at VisualTestUtils.VisualRegressionTester.Fail(String message) in /_/src/TestUtils/src/VisualTestUtils/VisualRegressionTester.cs:line 162
   at VisualTestUtils.VisualRegressionTester.VerifyMatchesSnapshot(String name, ImageSnapshot actualImage, String environmentName, ITestContext testContext) in /_/src/TestUtils/src/VisualTestUtils/VisualRegressionTester.cs:line 123
   at Microsoft.Maui.TestCases.Tests.UITest.<VerifyScreenshot>g__Verify|13_0(String name, <>c__DisplayClass13_0&) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 477
   at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 309
   at Microsoft.Maui.TestCases.Tests.Issues.Issue34842.RadioButtonBackgroundColorClippedToCornerRadius() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue34842.cs:line 18
   at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
   at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)

NUnit Adapter 4.5.0.0: Test execution complete

Test Run Failed.
Total tests: 1
     Failed: 1
 Total time: 1.0086 Minutes

🟢 With fix — 🖥️ Issue34842: PASS ✅ · 96s

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/Users/cloudtest/vss/_work/1/s/.dotnet/packs/Microsoft.iOS.Sdk.net10.0_26.0/26.0.11017/targets/Xamarin.Shared.Sdk.targets(309,3): warning : RuntimeIdentifier was set on the command line, and will override the value for RuntimeIdentifiers set in the project file. [/Users/cloudtest/vss/_work/1/s/src/Controls/tests/TestCases.HostApp/Controls.TestCases.HostApp.csproj::TargetFramework=net10.0-ios]
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  Optimizing assemblies for size may change the behavior of the app. Be sure to test after publishing. See: https://aka.ms/dotnet-illink
  Optimizing assemblies for size. This process might take a while.

Build succeeded.

/Users/cloudtest/vss/_work/1/s/.dotnet/packs/Microsoft.iOS.Sdk.net10.0_26.0/26.0.11017/targets/Xamarin.Shared.Sdk.targets(309,3): warning : RuntimeIdentifier was set on the command line, and will override the value for RuntimeIdentifiers set in the project file. [/Users/cloudtest/vss/_work/1/s/src/Controls/tests/TestCases.HostApp/Controls.TestCases.HostApp.csproj::TargetFramework=net10.0-ios]
    1 Warning(s)
    0 Error(s)

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  UITest.Analyzers -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/UITest.Analyzers/Debug/netstandard2.0/UITest.Analyzers.dll
  Controls.TestCases.iOS.Tests -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll
Test run for /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll (.NETCoreApp,Version=v10.0)
VSTest version 18.0.1 (arm64)

Starting test execution, please wait...
A total of 1 test files matched the specified pattern.
/Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll
[xUnit.net 00:00:00.00] xUnit.net VSTest Adapter v2.8.2+699d445a1a (64-bit .NET 10.0.0)
[xUnit.net 00:00:00.06]   Discovering: Controls.TestCases.iOS.Tests
[xUnit.net 00:00:00.15]   Discovered:  Controls.TestCases.iOS.Tests
NUnit Adapter 4.5.0.0: Test execution started
Running selected tests in /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll
   NUnit3TestExecutor discovered 1 of 1 NUnit test cases using Current Discovery mode, Non-Explicit run
>>>>> 4/16/2026 12:05:34 PM FixtureSetup for Issue34842(iOS)
>>>>> 4/16/2026 12:05:38 PM RadioButtonBackgroundColorClippedToCornerRadius Start
>>>>> 4/16/2026 12:05:38 PM RadioButtonBackgroundColorClippedToCornerRadius Stop
  Passed RadioButtonBackgroundColorClippedToCornerRadius [462 ms]
NUnit Adapter 4.5.0.0: Test execution complete

Test Run Successful.
Total tests: 1
     Passed: 1
 Total time: 19.4097 Seconds

📁 Fix files reverted (5 files)

src/Controls/src/Core/RadioButton/RadioButton.cs
src/Core/src/Handlers/RadioButton/RadioButtonHandler.cs
src/Core/src/Handlers/RadioButton/RadioButtonHandler.iOS.cs
src/Core/src/PublicAPI/net-ios/PublicAPI.Unshipped.txt
src/Core/src/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt

kubaflo · 2026-04-18T22:21:56Z

/azp run maui-pr-uitests , maui-pr-devicetests

azure-pipelines · 2026-04-18T22:22:16Z

Azure Pipelines successfully started running 2 pipeline(s).

…tnet#34994) > [!NOTE] > Are you waiting for the changes in this PR to be merged? > It would be very helpful if you could [test the resulting artifacts](https://github.com/dotnet/maui/wiki/Testing-PR-Builds) from this PR and let us know in a comment if this change resolves your issue. Thank you! ## Description Integrates the standalone `code-review` skill into the `pr-review` orchestrator so that deep code analysis happens during Pre-Flight and its findings feed into Try-Fix exploration. ### Changes **Pre-Flight (Phase 1)** — `.github/pr-review/pr-preflight.md` - Added Part B (Step 7): Invokes code-review skill as an independent sub-agent - Independence-first principle preserved — sub-agent receives only the PR number, not Part A context - Outputs both `content.md` (context + code review summary) and `code-review.md` (full review) **Try-Fix (Phase 2)** — `.github/skills/pr-review/SKILL.md` - Try-fix prompt template now includes `code_review_findings` (errors, warnings, failure modes, blast radius) - Findings are advisory hints — inform approach, not a mandatory checklist - Only root-cause-relevant findings included to avoid distraction **Report (Phase 3)** — `.github/pr-review/pr-report.md` - Code Review row added to Phase Status table - Hard gate: `NEEDS_CHANGES` verdict blocks `APPROVE` regardless of Gate/Try-Fix - New "Code Review Impact on Try-Fix" section **AI Summary** — `.github/scripts/post-ai-summary-comment.ps1` - Full code-review output shown as separate "🔬 Code Review — Deep Analysis" collapsible section - Gracefully skipped if `code-review.md` does not exist ### Design decisions - The `code-review` skill itself is NOT modified — stays standalone and independently invokable - The `try-fix` skill is NOT modified — already accepts hints - Code review runs as a sub-agent to prevent anchoring bias (independence-first) - Report hard gate prevents approving PRs with unresolved code review errors --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Add a test that builds a NativeAOT-compiled MAUI app for Android, deploys it to an emulator, and verifies it launches successfully using XHarness. This mirrors the existing RunOniOS_MauiNativeAOT test for iOS and runs in the existing `mac_runandroid_tests` CI lane (which uses the Linux Android pool). --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

…sus (dotnet#35111)  > [!NOTE] > Are you waiting for the changes in this PR to be merged? > It would be very helpful if you could [test the resulting artifacts](https://github.com/dotnet/maui/wiki/Testing-PR-Builds) from this PR and let us know in a comment if this change resolves your issue. Thank you! ## Summary Adds a `/review` slash command that triggers a 3-model adversarial code review on any PR. ## How It Works 1. A maintainer comments `/review` on a PR 2. The orchestrator (Opus) dispatches 3 parallel sub-agents (Opus, Sonnet, Codex) to independently review the PR 3. Findings go through adversarial consensus — 3/3 include, 2/3 include, 1/3 gets challenged by the other 2 models 4. Results posted as inline review comments on diff lines + a COMMENT review summary ## Files | File | Purpose | |------|---------| | `.github/workflows/review.agent.md` | `/review` slash command trigger + workflow_dispatch for testing | | `.github/workflows/shared/review-shared.md` | Shared orchestration (multi-model dispatch, consensus, posting) | | `.github/workflows/review.agent.lock.yml` | Auto-generated compiled workflow | | `.github/aw/actions-lock.json` | Pinned action versions (adds v0.71.0, preserves existing entries) | ## Design Decisions - **`/review` only** — no auto-review-on-open to avoid cost on every PR in a large repo - **COMMENT-only reviews** — `allowed-events: [COMMENT]` prevents stale blocking reviews that cannot be dismissed ([gh-aw#27655](github/gh-aw#27655)) - **Inline + summary** — `create_pull_request_review_comment` for diff-line annotations, `submit_pull_request_review` for summary, `add_comment` as fallback - **Gated to write+ roles** — `roles: [admin, maintainer, write]` - **Token-optimized** — orchestrator delegates file reading to sub-agents, caps follow-ups at 2 models and 3 disputed findings - **Sub-agents use `.github/skills/code-review/SKILL.md`** — existing MAUI code review skill with 345 lines of maintainer-sourced review rules ## Trial Run Validated end-to-end via `gh aw trial`: - [PureWeen/gh-aw-trial run](https://github.com/PureWeen/gh-aw-trial/actions/runs/24992602411) — all 6 jobs passed (pre_activation, activation, agent, detection, safe_outputs, conclusion) - Compiled with 0 errors, 0 warnings at gh-aw v0.71.0 ## Provenance Ported from [dotnet/maui-labs PR dotnet#118](dotnet/maui-labs#118), iteratively tested and refined across: - [dotnet/maui-labs PR dotnet#115](dotnet/maui-labs#115 (comment)) (add_comment path verified) - [PureWeen/PolyPilot PR dotnet#656](PureWeen/PolyPilot#656) (inline review comments verified) - [dotnet/maui-labs PR dotnet#123](dotnet/maui-labs#123) (inline + summary verified) --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Updates `github-merge-flow-release-11.jsonc` to merge `net11.0 → release/11.0.1xx-preview4` (was preview3). Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

…issions (dotnet#35161)  > [!NOTE] > Are you waiting for the changes in this PR to be merged? > It would be very helpful if you could [test the resulting artifacts](https://github.com/dotnet/maui/wiki/Testing-PR-Builds) from this PR and let us know in a comment if this change resolves your issue. Thank you! ## Description Recompiles `review.agent.lock.yml` with gh-aw v0.68.3 to fix 403 errors on `/review` slash command activation. ## Problem The lock file compiled with v0.71.0 (merged in dotnet#35111) was missing `pull-requests: write` on the activation job. When the workflow tried to add a 👀 reaction to a `/review` comment on a PR, it failed with: ``` POST /repos/dotnet/maui/issues/comments/{id}/reactions - 403 Resource not accessible by integration ``` GitHub requires `pull-requests: write` to add reactions to issue comments associated with PRs, even though the endpoint path is `/issues/comments/`. ## Root Cause Upstream compiler bug in gh-aw v0.69.3+ — the activation job permissions were scoped too tightly, stripping `pull-requests: write` for `slash_command` events on PR comments. Filed as [github/gh-aw#28767](github/gh-aw#28767). ## Fix Recompiled with gh-aw v0.68.3 (current default/recommended version), which correctly grants: ```yaml permissions: actions: read contents: read discussions: write issues: write pull-requests: write # ← this was missing with v0.71.0 ``` ## Testing - ✅ Tested on PureWeen/PolyPilot: v0.68.3 `/review` trigger succeeds, activation passes, agent runs - ❌ Confirmed v0.71.0 and v0.71.1 both fail with the same 403 error Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

…acCatalyst

…rt and add baseline snapshots

SyedAbdulAzeemSF4852 · 2026-04-28T09:42:22Z

Could you please verify the failing tests?

@kubaflo , Reviewed the failing cases. The failures appear to stem from differences in iOS 26 behavior and are unrelated to this fix. I’ve rebased the branch, resolved the conflicts, and ensured it is up to date.

…-ios

…34844)  > [!NOTE] > Are you waiting for the changes in this PR to be merged? > It would be very helpful if you could [test the resulting artifacts](https://github.com/dotnet/maui/wiki/Testing-PR-Builds) from this PR and let us know in a comment if this change resolves your issue. Thank you! ### Issue Details - On iOS, when a RadioButton has a BackgroundColor and CornerRadius set, the background color extends beyond the rounded corners as a full rectangle. ### Root Cause - On iOS, the RadioButton's BackgroundColor is applied by ViewHandler.MapBackground directly to the outer handler platform view (ContentView/UIView), which has no corner radius or clipping. The rounded corners and border stroke are rendered by a separate inner Border element inside the ControlTemplate, so the background color paints as a full rectangle behind the rounded border, visibly bleeding outside the corners. ### Description of Change - Updated the RadioButton control template to bind the Border.BackgroundColorProperty to the RadioButton.BackgroundColor, ensuring the background is rendered inside the clipped border area (RadioButton.cs). - Removed the background color binding from the ContentPresenter, preventing it from affecting the outer area (RadioButton.cs). - On iOS and MacCatalyst, suppressed the default handler's MapBackground method to prevent the platform view's background from bleeding outside the border (RadioButtonHandler.iOS.cs). - Declared the new MapBackground method in the public API files for iOS and MacCatalyst (PublicAPI.Unshipped.txt). ### Issues Fixed Fixes #34842 ### Validated the behaviour in the following platforms - [ ] Windows - [ ] Android - [x] iOS - [x] Mac ### Output | Before | After | |----------|----------| | <img src="https://github.com/user-attachments/assets/21f1a1c1-69ab-4f3e-9199-b09ea4ced3d3"> | <img src="https://github.com/user-attachments/assets/091d1419-5ddf-49b2-9b42-469ca2d031da"> | --------- Co-authored-by: Jakub Florkowski <42434498+kubaflo@users.noreply.github.com>

@BagavathiPerumal

## What's Coming .NET MAUI inflight/candidate introduces significant improvements across all platforms with focus on quality, performance, and developer experience. This release includes 85 commits with various improvements, bug fixes, and enhancements. ## Button - [Android, iOS] Button: Fix VisualState properties not restored when leaving custom state by @BagavathiPerumal in #33346 <details> <summary>🔧 Fixes</summary> - [Button VisualStates do not work](#19690) </details> ## CollectionView - Fix CollectionView grid spacing updates for first row and column by @KarthikRajaKalaimani in #34527 <details> <summary>🔧 Fixes</summary> - [[MAUI] I2_Vertical grid for horizontal Item Spacing and Vertical Item Spacing - horizontally updating the spacing only applies to the second column](#34257) </details> - CarouselView: Fix cascading PositionChanged/CurrentItemChanged events on collection update by @praveenkumarkarunanithi in #31275 <details> <summary>🔧 Fixes</summary> - [[Windows] CurrentItemChangedEventArgs and PositionChangedEventArgs Not Working Properly in CarouselView](#29529) </details> - [Windows] Fixed ItemSpacing doesn't work in Carousel View by @SubhikshaSf4851 in #30014 <details> <summary>🔧 Fixes</summary> - [ItemSpacing on CarouselView is not applied on Windows.](#29772) </details> - Fix CollectionView not scrolling to top on iOS status bar tap by @jfversluis in #34687 <details> <summary>🔧 Fixes</summary> - [[iOS] UICollectionView ScrollToTop does not work](#19866) </details> - [iOS] Fixed CollectionView Scroll Jitter for TextType HTML Labels by @SubhikshaSf4851 in #34383 <details> <summary>🔧 Fixes</summary> - [CollectionView scrolling is jittery when ItemTemplate contains Label with TextType="Html" in .NET 10](#33065) </details> - Fix CollectionView Header is not visible when ItemsSource is not set and an EmptyView is set in iOS, Mac platform by @KarthikRajaKalaimani in #34989 <details> <summary>🔧 Fixes</summary> - [CollectionView Header is not visible when ItemsSource is not set and EmptyView is set in iOS, Mac platform](#34897) </details> - [Android] Fix CollectionView EmptyView not displayed correctly by @KarthikRajaKalaimani in #34956 <details> <summary>🔧 Fixes</summary> - [[Android] CollectionView - EmptyView not displayed correctly](#34861) </details> - [iOS] Fix CollectionView ScrollOffset not resetting when ItemsSource changes by @SyedAbdulAzeemSF4852 in #34488 <details> <summary>🔧 Fixes</summary> - [[IOS] CollectionView ScrollOffset does not reset when the ItemSource is changed in iOS.](#26366) - [Re-enable Issue7993 test on iOS/Catalyst - CollectionView scroll position not reset when updating ItemsSource](#33500) </details> - [Revert] [iOS] Fixed CollectionView Scroll Jitter for TextType HTML Labels by @SubhikshaSf4851 in #35341 ## Core Lifecycle - [Android] Fix NRE in ContainerView when Android Context is null during lifecycle transition by @rmarinho in #34901 <details> <summary>🔧 Fixes</summary> - [[Android] NullReferenceException in NavigationRootManager.Connect when mapping Window content](#34900) </details> ## DateTimePicker - [Android] Fix for TimePicker Dialog doesn't update the layout when rotating the device with dialog open by @HarishwaranVijayakumar in #31910 <details> <summary>🔧 Fixes</summary> - [[Android] TimePicker Dialog doesn't update the layout when rotating the device with dialog open](#31658) </details> - [Android, iOS] Fixed TimePicker FlowDirection Not Applied Across Platforms by @Dhivya-SF4094 in #30369 <details> <summary>🔧 Fixes</summary> - [TimePicker FlowDirection Not Working on All Platforms](#30192) </details> - [Windows] Fixed TimePicker CharacterSpacing issue by @SubhikshaSf4851 in #30533 <details> <summary>🔧 Fixes</summary> - [[Windows] TimePicker CharacterSpacing Property Not Working on Windows](#30199) </details> - [MacCatalyst] Fix DatePicker Opened/Closed events not being raised by @SubhikshaSf4851 in #34970 <details> <summary>🔧 Fixes</summary> - [[MacCatalyst] DatePicker Opened and Closed events are not raised on Mac platform](#34848) </details> ## Dialogalert - [Android] Fix AlertDialog, ActionSheet, and Prompt render with Material 2 styles when Material 3 is enabled by @HarishwaranVijayakumar in #35121 <details> <summary>🔧 Fixes</summary> - [[Android] AlertDialog, ActionSheet, and Prompt render with Material 2 styles when Material 3 is enabled](#35119) </details> ## Docs - docs: Add UITesting-Guide, ReleasePlanning, and ReleaseProcess to docs/README.md index by @PureWeen in #35195 - docs: Fix hardcoded path and add library overview in Essentials.AI README by @PureWeen in #35194 - docs: Update branch reference from net10.0 to net11.0 in DEVELOPMENT.md by @PureWeen in #35193 ## Drawing - Fix Path Rendering Issue Inside StackLayout When Margin Is Set by @Shalini-Ashokan in #28071 <details> <summary>🔧 Fixes</summary> - [Path does not render if it has Margin](#13801) </details> - Fixed FlowDirection property not working on Drawable control and GraphicsView by @Dhivya-SF4094 in #34557 <details> <summary>🔧 Fixes</summary> - [[Android, Windows, iOS, macOS] FlowDirection property not working on BoxView Control](#34402) </details> - [iOS & Mac] Fix image tile misalignment in GraphicsView ImagePaint by @SubhikshaSf4851 in #34935 <details> <summary>🔧 Fixes</summary> - [[iOS] Image resized with ResizeMode.Fit is not rendered correctly in GraphicsView](#34755) </details> - Fix Shadow does not honour Styles by @KarthikRajaKalaimani in #35081 <details> <summary>🔧 Fixes</summary> - [Shadow does not honour Styles](#19560) </details> ## Entry - [iOS/macCatalyst] Fix Entry and Editor BackgroundColor reset when set to null by @Shalini-Ashokan in #34741 <details> <summary>🔧 Fixes</summary> - [[iOS, Maccatalyst] Entry & Editor BackgroundColor not reset to Null](#34611) </details> - [Windows] Fix password Entry crash when setting text on empty field by @praveenkumarkarunanithi in #33891 <details> <summary>🔧 Fixes</summary> - [[WinUI] Password Obfuscation causes unhandled crash](#33334) </details> ## Essentials - [Essentials] Use mean sea level altitude on Android API 34+ by @KitKeen in #35097 <details> <summary>🔧 Fixes</summary> - [Add support for MslAltitudeMeters in Essentials Geolocation on Android](#27554) </details> ## Flyout - Fixed Flyout Not Displayed on Android When FlyoutWidth Is Set Only for Desktop via OnIdiom by @NanthiniMahalingam in #29028 <details> <summary>🔧 Fixes</summary> - [[Android] FlyoutWidth with OnIdiom shows no flyout](#13243) </details> - Revert "[Windows] Fix Flyout/Locked mode header collapse regression causing UI test failures on candidate branch" by @kubaflo in #35339 - Revert "Revert "[Windows] Fix Flyout/Locked mode header collapse regression causing UI test failures on candidate branch"" by @kubaflo in #35342 ## Flyoutpage - Fix [Android] Title of FlyOutPage is not updating anymore after showing a NonFlyOutPage by @KarthikRajaKalaimani in #34839 <details> <summary>🔧 Fixes</summary> - [[Android] Title of FlyOutPage is not updating anymore after showing a NonFlyOutPage](#33615) </details> ## Label - [iOS] Fix span Tap gesture on wrapped Label lines in iOS 26+ by @SubhikshaSf4851 in #34640 <details> <summary>🔧 Fixes</summary> - [[iOS]Span TapGestureRecognizer does not work on the second line of the span, if the span is wrapped to the next line](#34504) </details> ## Layout - Fixed Stacklayout is not rendered when clip is applied and StackLayout placed child to the Border control in iOS/ Mac platform by @KarthikRajaKalaimani in #33330 <details> <summary>🔧 Fixes</summary> - [[Mac/iOS] StackLayout fails to render content while applying Clip, and the layout is placed inside a Border with Background in .NET MAUI](#33241) </details> ## Map - Fix Changing Location on a Pin does nothing by @NirmalKumarYuvaraj in #30201 <details> <summary>🔧 Fixes</summary> - [[Maps] [Regression from Xamarin.Forms.Maps] Changing Location on a Pin does nothing](#12916) </details> ## Mediapicker - [iOS] Fix HEIC images picked via PickPhotosAsync not displayed by @HarishwaranVijayakumar in #34954 <details> <summary>🔧 Fixes</summary> - [[iOS] [Regression] HEIC images picked via PickPhotosAsync not displayed](#34953) </details> - [Android] Fix MediaPicker.PickPhotosAsync UnauthorizedAccessException on API 28 and below by @HarishwaranVijayakumar in #34981 <details> <summary>🔧 Fixes</summary> - [MediaPicker.PickPhotos fails to modify image, tries to load original source, fails to load source on Android 9.0](#34889) </details> ## Pages - [iOS] Fix ContentPage with ToolbarItem Clicked event leaks when presented as modal page by @devanathan-vaithiyanathan in #35009 <details> <summary>🔧 Fixes</summary> - [ContentPage with ToolbarItem Clicked event leaks when presented as modal page](#34892) </details> ## Platform - [Android] Fix OnBackButtonPressed not invoked for Shell by @Dhivya-SF4094 in #35150 <details> <summary>🔧 Fixes</summary> - [On Screen Back Button Does Not Fire OnBackButtonPressed in Android](#9095) </details> ## RadioButton - Fix RadioButtonGroup not working with ContentView by @Dhivya-SF4094 in #34781 <details> <summary>🔧 Fixes</summary> - [RadioButtonGroup not working with ContentView](#34759) </details> - [Windows] Fix for RadioButton BorderColor and BorderWidth not updated at runtime by @SyedAbdulAzeemSF4852 in #28335 <details> <summary>🔧 Fixes</summary> - [RadioButton Border color not working for focused visual state](#15806) </details> - [iOS] Fix RadioButton BackgroundColor bleeding outside CornerRadius by @SyedAbdulAzeemSF4852 in #34844 <details> <summary>🔧 Fixes</summary> - [[iOS] RadioButton BackgroundColor bleeds outside CornerRadius](#34842) </details> ## SafeArea - [iOS] Fix stale bottom safe area after changing SafeAreaEdges with keyboard open by @praveenkumarkarunanithi in #35083 <details> <summary>🔧 Fixes</summary> - [[iOS] ContentPage bottom has white space after changing SafeAreaEdges while keyboard is open](#34846) </details> ## ScrollView - [Windows] Fix Preserve ScrollView offsets when Orientation changes to Neither by @SubhikshaSf4851 in #34827 <details> <summary>🔧 Fixes</summary> - [[Windows] ScrollView offsets do not preserve when Orientation changes to Neither](#34671) </details> ## Searchbar - [iOS] Fix SearchBar unexpected left margin in iPad windowed mode on 26 Version by @SubhikshaSf4851 in #34704 <details> <summary>🔧 Fixes</summary> - [in iPad windowed mode SearchBar adds left margin equivaltent to SafeAreaInsets when placed inside grid](#34551) </details> ## Shell - [Windows] Fix for Shell.FlyoutBehavior="Flyout" forces the title height space above the tab bar even if the page title is empty by @BagavathiPerumal in #30382 <details> <summary>🔧 Fixes</summary> - [(Windows) Shell.FlyoutBehavior="Flyout" forces the title height space above the tab bar even if the page title is empty](#30254) </details> - Fix Shell flyout items scrolling behind FlyoutHeader on iOS by @Qythyx in #34936 <details> <summary>🔧 Fixes</summary> - [Shell flyout items scroll behind FlyoutHeader on iOS](#34925) </details> - [iOS, Mac] Fix Shell.CurrentState.Location stale in OnNavigated after GoToAsync by @Vignesh-SF3580 in #34880 <details> <summary>🔧 Fixes</summary> - [Shell.OnNavigated not called for route navigation](#34662) </details> - [iOS26]Fix BackButtonBehavior_IsEnabled_False_BackButtonDoesNotNavigate UITest fails by @devanathan-vaithiyanathan in #34890 <details> <summary>🔧 Fixes</summary> - [[iOS 26] BackButtonBehavior_IsEnabled_False_BackButtonDoesNotNavigate test fails with TimeoutException](#34771) </details> - [iOS] Fix Shell page memory leak when using TitleView with x:Name by @Shalini-Ashokan in #35082 <details> <summary>🔧 Fixes</summary> - [[iOS] Title view memory leak](#34975) </details> - [Material 3] Fix Material 2 color flash in AppBar when switching tabs for the first time by @Dhivya-SF4094 in #35117 <details> <summary>🔧 Fixes</summary> - [Material 3: AppBar briefly displays Material 2 colors when switching tabs for the first time](#35116) </details> - [Android] Fix Shell/TabbedPage "More" BottomSheet uses hard-coded M2 colors when Material3 is enabled by @HarishwaranVijayakumar in #35129 <details> <summary>🔧 Fixes</summary> - [[Android] Shell/TabbedPage "More" BottomSheet uses hard-coded M2 colors when Material3 is enabled](#35127) </details> - [Android] Shell: Fix top-tab unselected text visibility in Material 3 light theme by @SyedAbdulAzeemSF4852 in #35128 <details> <summary>🔧 Fixes</summary> - [[Android] Shell top-tab unselected text appears too faint in Material 3 light theme](#35125) </details> - Fix Shell.Items.Clear() memory leak by disconnecting child handlers on removal (#34898) by @Shalini-Ashokan in #35031 <details> <summary>🔧 Fixes</summary> - [Shell.Items.Clear() does not disconnect handlers correctly](#34898) </details> - [iOS&Mac] Fix Shell SearchHandler Query update on Initial load by @SubhikshaSf4851 in #35008 <details> <summary>🔧 Fixes</summary> - [[iOS&Mac] Shell SearchHandler Query not shown in search bar on initial load](#35005) </details> ## SwipeView - [iOS,MacCatalyst] Fix for SwipeView.Open() throwing an ArgumentException on the second programmatic call by @BagavathiPerumal in #34982 <details> <summary>🔧 Fixes</summary> - [[net 11.0][iOS,MacCatalyst] SwipeView.Open() throws ArgumentException on second programmatic call](#34917) </details> - [Android/iOS] Fix SwipeItem visibility change causing double command execution in Execute mode by @praveenkumarkarunanithi in #35087 <details> <summary>🔧 Fixes</summary> - [Changing visibility on an SwipeItem causes multiple items to be executed](#7580) </details> ## Switch - [iOS] Fix Switch ThumbColor reset on iOS 26+ theme changes. by @Shalini-Ashokan in #33953 <details> <summary>🔧 Fixes</summary> - [Switch ThumbColor not Initialized Using VisualStateManager on iOS Device](#33783) - [I9-On macOS 26.2, the "Animate scroll" button is white by default on iOS and Maccatalyst platforms.](#33767) </details> ## TabbedPage - [Windows] TabbedPage: Refresh layout when NavigationView size changes by @BagavathiPerumal in #26217 <details> <summary>🔧 Fixes</summary> - [TabbedPage - ScrollView not allowing scrolling when it should](#26103) - [TabbedPage App on resize hides page bottom content](#11402) - [Grid overflows child ContentPage of parent TabbedPage on initial load and when resizing on Windows](#20028) </details> - [Android] Material 3 Fixed BottomNavigationView overflowing in Tabbed page by @NirmalKumarYuvaraj in #35064 <details> <summary>🔧 Fixes</summary> - [[Android] Material3 - TabbedPage bottom tabs overflowing the contents](#35063) </details> - [Windows] Fix for Multiple Tabs Being Selected in WinUI TabbedPage by @SyedAbdulAzeemSF4852 in #33312 <details> <summary>🔧 Fixes</summary> - [WinUI TabbedPage can have multiple tabs selected](#31799) </details> ## Theming - [iOS] Fix StaticResource Hot Reload crash on iOS by @StephaneDelcroix in #35020 <details> <summary>🔧 Fixes</summary> - [The maui app quit and no errors in error list after editing ResourceDictionary XAML file on iOS Simulator with MAUI SR6 10.0.60](#35018) </details> ## Toolbar - [Windows] Fix for CS1061 build error caused by missing HasMenuBarContent property in MauiToolbar by @BagavathiPerumal in #35040 ## Tooling - Fix VisualStateGroups duplicate name crash with implicit styles (#34716) by @StephaneDelcroix in #34719 <details> <summary>🔧 Fixes</summary> - [SourceGen: VisualStateManager.VisualStateGroups causes 'Names must be unique' at startup](#34716) </details> ## WebView - Refactor the HybridWebView and properly support complex parameters by @mattleibow in #32491 - [Android] Fix WebView scrolling inside ScrollView by @Shalini-Ashokan in #33133 <details> <summary>🔧 Fixes</summary> - [[Android] WebView's content does not scroll when placed inside a ScrollView](#32971) </details> <details> <summary>🔧 Infrastructure (1)</summary> - [Windows] Fix Narrator announcing ContentView children twice when Description is set by @praveenkumarkarunanithi in #33979 <details> <summary>🔧 Fixes</summary> - [[Windows] SemanticProperties.Description announced twice when set on focusable container cell (Label inside)](#33373) </details> </details> <details> <summary>🧪 Testing (14)</summary> - [Testing] SafeArea Feature Matrix Test Cases for ContentPage by @TamilarasanSF4853 in #34877 - [Windows] Fix CollectionView ScrollTo related test cases failed in CI by @HarishwaranVijayakumar in #34907 <details> <summary>🔧 Fixes</summary> - [[Testing][Windows]CollectionView ScrollTo related test cases failed in CI](#34772) </details> - [Testing] Fixed Build error on inflight/ candidate PR 35234 by @HarishKumarSF4517 in #35241 - Fix CI for ValidateKeyboardRuntime_SwitchContainerToSoftInput_WhileKeyboardOpen test failure in May 4th Candidate by @devanathan-vaithiyanathan in #35307 - [Windows] Fix Flyout/Locked mode header collapse regression causing UI test failures on candidate branch by @BagavathiPerumal in #35312 - [iOS/macCatalyst] [Candidate Fix] Editor shadow and theme regression caused by BackgroundColor reset on initial handler connection by @Shalini-Ashokan in #35343 - [Testing] Fixed UI test image failure in PR 35234 - [30/03/2026] Candidate - 1 by @HarishKumarSF4517 in #35325 - [iOS] Fix ShellFeatureMatrix test failures on candidate branch by @Vignesh-SF3580 in #35346 - [Windows] Fix Issue29529VerifyPreviousPositionOnInsert test failure on candidate branch by @praveenkumarkarunanithi in #35398 - [Android] [Candidate Fix] Shell: Fix handler disconnect timing to preserve WebView navigation and memory leak fix by @Shalini-Ashokan in #35417 - [Testing]Revert 'Fix Preserve ScrollView offsets when Orientation changes to Neither' by @TamilarasanSF4853 in #35412 - [Windows] Fix VerifyAllIndicatorDotsShowShadowsWhenIndicatorSize test failure on candidate branch by @praveenkumarkarunanithi in #35458 - [Testing] Fixed test failure in PR 35234 - [05/08/2026] Candidate by @TamilarasanSF4853 in #35362 - [Testing] Fixed test failure in PR 35234 - [05/04/2026] Candidate - 3 by @TamilarasanSF4853 in #35639 </details> <details> <summary>📦 Other (6)</summary> - [UIKit] Avoid useless measure invalidation propagation cycles by @albyrock87 in #33459 - BindableObject property access micro-optimizations by @albyrock87 in #33584 - Extract filename from DisplayName and add extension if missing by @mattleibow in #35050 - [core] Add keyed-DI screenshot extensibility for 3rd-party platform backends by @Redth in #35096 <details> <summary>🔧 Fixes</summary> - [`ViewExtensions.CaptureAsync(IView)` and `IPlatformScreenshot` need extensibility for third-party platform backends](#34266) </details> - Fix MainThread throwing on custom platform backends by @Redth in #35070 <details> <summary>🔧 Fixes</summary> - [`MainThread.BeginInvokeOnMainThread` throws on custom platform backends - Common UI-thread marshaling pattern crashes; `Dispatcher` works but isn't the documented/recommended path](#34101) </details> - Tests: Add 11 missing UnitConverters unit tests by @PureWeen in #35191 </details> <details> <summary>📝 Issue References</summary> Fixes #7580, Fixes #9095, Fixes #11402, Fixes #12916, Fixes #13243, Fixes #13801, Fixes #15806, Fixes #19560, Fixes #19690, Fixes #19866, Fixes #20028, Fixes #26103, Fixes #26366, Fixes #27554, Fixes #29529, Fixes #29772, Fixes #30192, Fixes #30199, Fixes #30254, Fixes #31658, Fixes #31799, Fixes #32971, Fixes #33065, Fixes #33241, Fixes #33334, Fixes #33373, Fixes #33500, Fixes #33615, Fixes #33767, Fixes #33783, Fixes #34101, Fixes #34257, Fixes #34266, Fixes #34402, Fixes #34504, Fixes #34551, Fixes #34611, Fixes #34662, Fixes #34671, Fixes #34716, Fixes #34755, Fixes #34759, Fixes #34771, Fixes #34772, Fixes #34842, Fixes #34846, Fixes #34848, Fixes #34861, Fixes #34889, Fixes #34892, Fixes #34897, Fixes #34898, Fixes #34900, Fixes #34917, Fixes #34925, Fixes #34953, Fixes #34975, Fixes #35005, Fixes #35018, Fixes #35063, Fixes #35116, Fixes #35119, Fixes #35125, Fixes #35127 </details> **Full Changelog**: main...inflight/candidate

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Comment thread src/Core/src/Handlers/RadioButton/RadioButtonHandler.iOS.cs

Comment thread src/Controls/src/Core/RadioButton/RadioButton.cs

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The Operation will be canceled. The next steps may not contain expected logs. dotnet/dnceng#3008

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[android-arm64] The Operation will be canceled. The next steps may not contain expected logs. dotnet/dnceng#6408

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[repo-status] Daily Repo Status - April 8, 2026 🌟 #34871

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Add daily PR review queue workflow with actionability detection #34818

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[PR Review Queue] 2026-04-17 #35004

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[PR Review Queue] 2026-04-23 #35101

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[PR Review Queue] 2026-04-28 #35182

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SyedAbdulAzeemSF4852 added 5 commits April 28, 2026 14:45

Fix: RadioButton BackgroundColor bleeds outside CornerRadius on iOS/M…

1739fc5

…acCatalyst

Modified the fix

68300f0

update MapBackground and rename test files

6bbe573

Add MapBackground to PublicAPI.Unshipped.txt for MacCatalyst

33f8080

Update RadioButton template to bind Border.Background for brush suppo…

dd89ce6

…rt and add baseline snapshots

SyedAbdulAzeemSF4852 force-pushed the fix/radiobutton-background-bleed-ios branch from fdd8051 to dd89ce6 Compare April 28, 2026 09:33

Update iOS 26 snapshots

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Merge branch 'inflight/current' into fix/radiobutton-background-bleed…

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May 4th, Candidate #35234

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[iOS] Fix RadioButton BackgroundColor bleeding outside CornerRadius#34844

[iOS] Fix RadioButton BackgroundColor bleeding outside CornerRadius#34844
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SyedAbdulAzeemSF4852:fix/radiobutton-background-bleed-ios

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SyedAbdulAzeemSF4852 commented Apr 7, 2026

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